The setup_data links are appended to the compressed kernel image. Since
the kernel image is typically loaded at 0x100000, setup_data lives at
`0x100000 + compressed_size`, which does not get relocated during the
kernel's boot process.
The kernel typically decompresses the image starting at address
0x1000000 (note: there's one more zero there than the compressed image
above). This usually is fine for most kernels.
However, if the compressed image is actually quite large, then
setup_data will live at a `0x100000 + compressed_size` that extends into
the decompressed zone at 0x1000000. In other words, if compressed_size
is larger than `0x1000000 - 0x100000`, then the decompression step will
clobber setup_data, resulting in crashes.
Visually, what happens now is that QEMU appends setup_data to the kernel
image:
kernel image setup_data
|--------------------------||----------------|
0x100000 0x100000+l1 0x100000+l1+l2
The problem is that this decompresses to 0x1000000 (one more zero). So
if l1 is > (0x1000000-0x100000), then this winds up looking like:
kernel image setup_data
|--------------------------||----------------|
0x100000 0x100000+l1 0x100000+l1+l2
d e c o m p r e s s e d k e r n e l
|-------------------------------------------------------------|
0x1000000 0x1000000+l3
The decompressed kernel seemingly overwriting the compressed kernel
image isn't a problem, because that gets relocated to a higher address
early on in the boot process, at the end of startup_64. setup_data,
however, stays in the same place, since those links are self referential
and nothing fixes them up. So the decompressed kernel clobbers it.
Fix this by appending setup_data to the cmdline blob rather than the
kernel image blob, which remains at a lower address that won't get
clobbered.
This could have been done by overwriting the initrd blob instead, but
that poses big difficulties, such as no longer being able to use memory
mapped files for initrd, hurting performance, and, more importantly, the
initrd address calculation is hard coded in qboot, and it always grows
down rather than up, which means lots of brittle semantics would have to
be changed around, incurring more complexity. In contrast, using cmdline
is simple and doesn't interfere with anything.
The microvm machine has a gross hack where it fiddles with fw_cfg data
after the fact. So this hack is updated to account for this appending,
by reserving some bytes.
Fixup-by: Michael S. Tsirkin <mst@redhat.com>
Cc: x86@kernel.org
Cc: Philippe Mathieu-Daudé <philmd@linaro.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Message-Id: <20221230220725.618763-1-Jason@zx2c4.com>
Message-ID: <20230128061015-mutt-send-email-mst@kernel.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Eric Biggers <ebiggers@google.com>
Tested-by: Mathias Krause <minipli@grsecurity.net>
It seems not super clear on when iova_tree is used, and why. Add a rich
comment above iova_tree to track why we needed the iova_tree, and when we
need it.
Also comment for the map/unmap messages, on how they're used and
implications (e.g. unmap can be larger than the mapped ranges).
Suggested-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20230109193727.1360190-1-peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The only function ever assigned to AcpiDeviceIfClass::madt_cpu is
pc_madt_cpu_entry() which doesn't use the AcpiDeviceIf parameter.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230121151941.24120-5-shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Frees isa-bus.c from implicit ACPI dependency.
While at it, resolve open coding of qbus_build_aml() in piix3 and ich9.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20230121151941.24120-3-shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Since commit efc6c070ac ("configure: Add a test for the minimum
compiler version") the minimum compiler version required for GCC
is 4.8, which supports __builtin_bswap().
Remove the NetBSD specific ifdef'ry.
This reverts commit 1360677cfe
("makes NetBSD use the native bswap functions").
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-7-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since commit efc6c070ac ("configure: Add a test for the minimum
compiler version") the minimum compiler version required for GCC
is 4.8, which supports __builtin_bswap().
Remove the FreeBSD specific ifdef'ry.
This reverts commit de03c3164a
("bswap: Fix build on FreeBSD 10.0").
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-6-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since commit efc6c070ac ("configure: Add a test for the minimum
compiler version") the minimum compiler version required for GCC
is 4.8, which supports __builtin_bswap().
Remove the Haiku specific ifdef'ry.
This reverts commit 652a46ebba
("bswap.h: Include <endian.h> on Haiku for bswap operations").
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-5-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since commit efc6c070ac ("configure: Add a test for the minimum
compiler version") the minimum compiler version required for GCC
is 4.8, which supports __builtin_bswap().
Drop the <byteswap.h> dependency.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-4-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-3-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Use the compiler built-in function to byte swap values,
as the compiler is clever and will fold constants.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-2-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
It has only one caller---inline it and remove the function.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221215130225.476477-2-pbonzini@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Add more annotations to functions, describing valid and invalid
calls from coroutine to non-coroutine context.
When applied to a function, no_coroutine_fn advertises that it should
not be called from coroutine_fn functions. This can be because the
function blocks or, in the case of generated_co_wrapper, to enforce
that coroutine_fn functions directly call the coroutine_fn that backs
the generated_co_wrapper.
coroutine_mixed_fn instead is for function that can be called in
both coroutine and non-coroutine context, but will suspend when
called in coroutine context. Annotating them is a first step
towards enforcing that non-annotated functions are absolutely
not going to suspend.
These can be used for example with the vrc tool:
# find functions that *really* cannot be called from no_coroutine_fn
(vrc) load --loader clang libblock.fa.p/meson-generated_.._block_block-gen.c.o
(vrc) paths [no_coroutine_fn,!coroutine_mixed_fn]
bdrv_remove_persistent_dirty_bitmap
bdrv_create
bdrv_can_store_new_dirty_bitmap
# find how coroutine_fns end up calling a mixed function
(vrc) load --loader clang --force libblock.fa.p/*.c.o
(vrc) paths [coroutine_fn] [!no_coroutine_fn]* [coroutine_mixed_fn]
...
bdrv_pread <- vhdx_log_write <- vhdx_log_write_and_flush <- vhdx_co_writev
...
Signed-off-by: Alberto Faria <afaria@redhat.com>
[Rebase, add coroutine_mixed_fn. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221216110758.559947-3-pbonzini@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Clang has a generic __annotate__ attribute that can be used by
static analyzers to understand properties of functions and
analyze the control flow. Furthermore, unlike TSA annotations, the
__annotate__ attribute applies to function pointers as well.
As a first step towards static analysis of coroutine_fn markers,
attach the attribute to the marker when compiling with clang.
Signed-off-by: Alberto Faria <afaria@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221216110758.559947-2-pbonzini@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
We have a test for one of TCG_TARGET_HAS_mulu2_i32 or
TCG_TARGET_HAS_muluh_i32 being defined, but the test
became non-functional when we changed to always define
all of these macros.
Replace this with a build-time test in tcg_gen_mulu2_i32.
Fixes: 25c4d9cc84 ("tcg: Always define all of the TCGOpcode enum members.")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1435
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
virtio_blk_dma_restart_cb() is tricky because the BH must deal with
virtio_blk_data_plane_start()/virtio_blk_data_plane_stop() being called.
There are two issues with the code:
1. virtio_blk_realize() should use qdev_add_vm_change_state_handler()
instead of qemu_add_vm_change_state_handler(). This ensures the
ordering with virtio_init()'s vm change state handler that calls
virtio_blk_data_plane_start()/virtio_blk_data_plane_stop() is
well-defined. Then blk's AioContext is guaranteed to be up-to-date in
virtio_blk_dma_restart_cb() and it's no longer necessary to have a
special case for virtio_blk_data_plane_start().
2. Only blk_drain() waits for virtio_blk_dma_restart_cb()'s
blk_inc_in_flight() to be decremented. The bdrv_drain() family of
functions do not wait for BlockBackend's in_flight counter to reach
zero. virtio_blk_data_plane_stop() relies on blk_set_aio_context()'s
implicit drain, but that's a bdrv_drain() and not a blk_drain().
Note that virtio_blk_reset() already correctly relies on blk_drain().
If virtio_blk_data_plane_stop() switches to blk_drain() then we can
properly wait for pending virtio_blk_dma_restart_bh() calls.
Once these issues are taken care of the code becomes simpler. This
change is in preparation for multiple IOThreads in virtio-blk where we
need to clean up the multi-threading behavior.
I ran the reproducer from commit 49b44549ac ("virtio-blk: On restart,
process queued requests in the proper context") to check that there is
no regression.
Cc: Sergio Lopez <slp@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-id: 20221102182337.252202-1-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230110082508.24038-4-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In order to rename TYPE_VERSATILE_I2C as TYPE_ARM_SBCON_I2C
(the formal ARM naming), start renaming its state.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230110082508.24038-3-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Define TYPE_GPIO_I2C in the public "hw/i2c/bitbang_i2c.h"
header and use it in hw/arm/musicpal.c.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Corey Minyard <cminyard@mvista.com>
Message-id: 20230111085016.44551-2-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* riscv_htif: Support console output via proxy syscall
* Cleanup firmware and device tree loading
* Fix elen check when using vector extensions
* add RISC-V OpenSBI boot test
* Ensure we always follow MISA parsing
* Fix up masking of vsip/vsie accesses
* Trap on writes to stimecmp from VS when hvictl.VTI=1
* Introduce helper_set_rounding_mode_chkfrm
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Merge tag 'pull-riscv-to-apply-20230120' of https://github.com/alistair23/qemu into staging
Second RISC-V PR for QEMU 8.0
* riscv_htif: Support console output via proxy syscall
* Cleanup firmware and device tree loading
* Fix elen check when using vector extensions
* add RISC-V OpenSBI boot test
* Ensure we always follow MISA parsing
* Fix up masking of vsip/vsie accesses
* Trap on writes to stimecmp from VS when hvictl.VTI=1
* Introduce helper_set_rounding_mode_chkfrm
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# gpg: Signature made Fri 20 Jan 2023 07:38:37 GMT
# gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054
* tag 'pull-riscv-to-apply-20230120' of https://github.com/alistair23/qemu: (37 commits)
hw/riscv/virt.c: move create_fw_cfg() back to virt_machine_init()
target/riscv: Remove helper_set_rod_rounding_mode
target/riscv: Introduce helper_set_rounding_mode_chkfrm
tcg/riscv: Use tcg_pcrel_diff in tcg_out_ldst
target/riscv: Trap on writes to stimecmp from VS when hvictl.VTI=1
target/riscv: Fix up masking of vsip/vsie accesses
hw/riscv: use ms->fdt in riscv_socket_fdt_write_distance_matrix()
hw/riscv: use MachineState::fdt in riscv_socket_fdt_write_id()
hw/riscv/virt.c: remove 'is_32_bit' param from create_fdt_socket_cpus()
hw/riscv/sifive_u.c: simplify create_fdt()
hw/riscv/virt.c: simplify create_fdt()
hw/riscv/spike.c: simplify create_fdt()
target/riscv: Use TARGET_FMT_lx for env->mhartid
target/riscv/cpu.c: do not skip misa logic in riscv_cpu_realize()
target/riscv/cpu: set cpu->cfg in register_cpu_props()
hw/riscv/boot.c: use MachineState in riscv_load_kernel()
hw/riscv/boot.c: use MachineState in riscv_load_initrd()
hw/riscv: write bootargs 'chosen' FDT after riscv_load_kernel()
hw/riscv: write initrd 'chosen' FDT inside riscv_load_initrd()
hw/riscv/spike.c: load initrd right after riscv_load_kernel()
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
PnvChip is typedef'ed in five places, and PnvPhb4PecState in two.
Keep one, drop the others.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20221222104628.659681-5-armbru@redhat.com>
The next commit needs to include hw/ppc/pnv.h from
hw/pci-host/pnv_phb.h. Avoid an inclusion loop.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20221222104628.659681-4-armbru@redhat.com>
A few headers neglect to include headers they need. They compile only
if something else includes the required header(s) first. Fix that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20221222104628.659681-3-armbru@redhat.com>
PnvChipClass, PnvChip, Pnv8Chip, Pnv9Chip, and Pnv10Chip are defined
in pnv.h. Many users of the header don't actually need them. One
instance is this inclusion loop: hw/ppc/pnv_homer.h includes
hw/ppc/pnv.h for typedef PnvChip, and vice versa for struct PnvHomer.
Similar structs live in their own headers: PnvHomerClass and PnvHomer
in pnv_homer.h, PnvLpcClass and PnvLpcController in pci_lpc.h,
PnvPsiClass, PnvPsi, Pnv8Psi, Pnv9Psi, Pnv10Psi in pnv_psi.h, ...
Move PnvChipClass, PnvChip, Pnv8Chip, Pnv9Chip, and Pnv10Chip to new
pnv_chip.h, and adjust include directives. This breaks the inclusion
loop mentioned above.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20221222104628.659681-2-armbru@redhat.com>
We have two inclusion loops:
block/block.h
-> block/block-global-state.h
-> block/block-common.h
-> block/blockjob.h
-> block/block.h
block/block.h
-> block/block-io.h
-> block/block-common.h
-> block/blockjob.h
-> block/block.h
I believe these go back to Emanuele's reorganization of the block API,
merged a few months ago in commit d7e2fe4aac.
Fortunately, breaking them is merely a matter of deleting unnecessary
includes from headers, and adding them back in places where they are
now missing.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221221133551.3967339-2-armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221221131435.3851212-6-armbru@redhat.com>
qemu/coroutine.h and qemu/lockable.h include each other.
They need each other only in macro expansions, so we could simply drop
both inclusions to break the loop, and add suitable includes to files
that expand the macros.
Instead, move a part of qemu/coroutine.h to new qemu/coroutine-core.h
so that qemu/coroutine-core.h doesn't need qemu/lockable.h, and
qemu/lockable.h only needs qemu/coroutine-core.h. Result:
qemu/coroutine.h includes qemu/lockable.h includes
qemu/coroutine-core.h.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221221131435.3851212-5-armbru@redhat.com>
[Semantic rebase conflict with 7c10cb38cc "accel/tcg: Add debuginfo
support" resolved]
There's no need to use a MachineState pointer and a fdt pointer now that
all RISC-V machines are using the FDT from the MachineState.
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230111170948.316276-7-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
There's no need to use a MachineState pointer and a fdt pointer now that
all RISC-V machines are using the FDT from the MachineState.
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230111170948.316276-6-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
All callers are using kernel_filename as machine->kernel_filename.
This will also simplify the changes in riscv_load_kernel() that we're
going to do next.
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230102115241.25733-10-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
'filename', 'mem_size' and 'fdt' from riscv_load_initrd() can all be
retrieved by the MachineState object for all callers.
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230102115241.25733-9-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
riscv_load_initrd() returns the initrd end addr while also writing a
'start' var to mark the addr start. These informations are being used
just to write the initrd FDT node. Every existing caller of
riscv_load_initrd() is writing the FDT in the same manner.
We can simplify things by writing the FDT inside riscv_load_initrd(),
sparing callers from having to manage start/end addrs to write the FDT
themselves.
An 'if (fdt)' check is already inserted at the end of the function
because we'll end up using it later on with other boards that doesn´t
have a FDT.
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230102115241.25733-7-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The MachineState object provides a 'fdt' pointer that is already being
used by other RISC-V machines, and it's also used by the 'dumpdtb' QMP
command.
Remove the 'fdt' pointer from SiFiveUState and use MachineState::fdt
instead.
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Message-Id: <20230102115241.25733-4-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The MachineState object provides a 'fdt' pointer that is already being
used by other RISC-V machines, and it's also used by the 'dumpdtb' QMP
command.
Remove the 'fdt' pointer from SpikeState and use MachineState::fdt
instead.
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Message-Id: <20230102115241.25733-3-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
At present create_fdt() calls htif_uses_elf_symbols() to determine
whether to insert a <reg> property for the HTIF. This unfortunately
creates a hidden dependency to riscv_load_{firmware,kernel} that
create_fdt() must be called after the ELF {firmware,kernel} image
has been loaded.
Decouple such dependency be adding a new parameter to create_fdt(),
whether custom HTIF base address is used. The flag will be set if
non ELF {firmware,kernel} image is given by user.
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-Id: <20221229091828.1945072-13-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Rename previous riscv_find_firmware() to riscv_find_bios(), and
introduce a new riscv_find_firmware() to implement the first half
part of the work done in riscv_find_and_load_firmware().
This new API is helpful for machine that wants to know the final
chosen firmware file name but does not want to load it.
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221229091828.1945072-12-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Some boards are duplicating the 'riscv_find_and_load_firmware' call
because the 32 and 64 bits images have different names. Create
a function to handle this detail instead of hardcoding it in the boards.
Ideally we would bake this logic inside riscv_find_and_load_firmware(),
or even create a riscv_load_default_firmware(), but at this moment we
cannot infer whether the machine is running 32 or 64 bits without
accessing RISCVHartArrayState, which in turn can't be accessed via the
common code from boot.c. In the end we would exchange 'firmware_name'
for a flag with riscv_is_32bit(), which isn't much better than what we
already have today.
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Message-Id: <20221221182300.307900-6-dbarboza@ventanamicro.com>
Message-Id: <20221229091828.1945072-11-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The only caller is riscv_find_and_load_firmware(), which is in the same
file.
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Message-Id: <20221221182300.307900-5-dbarboza@ventanamicro.com>
Message-Id: <20221229091828.1945072-10-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
There are forward declarations for 'vmstate_htif' and 'htif_io_ops'
in riscv_htif.h however there are no definitions in the C codes.
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221229091828.1945072-7-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
At present for some unknown reason the HTIF registers (fromhost &
tohost) are defined in the RISC-V CPUArchState. It should really
be put in the HTIFState struct as it is only meaningful to HTIF.
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221229091828.1945072-6-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
struct HTIFState has 3 members for address space and memory region,
and are initialized during htif_mm_init(). But they are actually
useless. Drop them.
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221229091828.1945072-4-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
These are not used anywhere. Drop them.
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221229091828.1945072-3-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
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Merge tag 'pull-monitor-2023-01-19' of https://repo.or.cz/qemu/armbru into staging
Monitor patches for 2023-01-19
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# gpg: Signature made Thu 19 Jan 2023 12:47:43 GMT
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* tag 'pull-monitor-2023-01-19' of https://repo.or.cz/qemu/armbru:
ui: Simplify control flow in qemu_mouse_set()
ui: Split hmp_mouse_set() and move the HMP part to ui/
ui: Don't check for mode change after mouse_set error
ui: Reduce nesting in hmp_change_vnc() slightly
ui: Factor out hmp_change_vnc(), and move to ui/ui-hmp-cmds.c
ui: Improve "change vnc" error reporting
ui: Move HMP commands from monitor to new ui/ui-hmp-cmds.c
ui: Factor out qmp_add_client() parts and move to ui/ui-qmp-cmds.c
ui: Move QMP commands from monitor to new ui/ui-qmp-cmds.c
ui: Clean up a few things checkpatch.pl would flag later on
ui/spice: Give hmp_info_spice()'s channel_names[] static linkage
ui/spice: QXLInterface method set_mm_time() is now dead, drop
ui/spice: Require spice-server >= 0.14.0
Revert "hmp: info spice: take out webdav"
ui/spice: Require spice-protocol >= 0.14.0
ui: Fix silent truncation of numeric keys in HMP sendkey
ui: Check numeric part of expire_password argument @time properly
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230109190321.1056914-17-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230109190321.1056914-14-armbru@redhat.com>
This moves these commands from MAINTAINERS section "Human
Monitor (HMP)" to "Graphics".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230109190321.1056914-12-armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230109190321.1056914-11-armbru@redhat.com>
SPICE_NEEDS_SET_MM_TIME is now always off. Bury the dead code.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230109190321.1056914-7-armbru@redhat.com>
Version 0.14.0 is now old enough to have made it into the major
distributions:
Debian 11: 0.14.3
RHEL-8: 0.14.3
FreeBSD (ports): 0.15.0
Fedora 35: 0.15.0
Ubuntu 20.04: 0.14.2
OpenSUSE Leap 15.3: 0.14.3
Requiring it lets us drop a number of version checks. The next commit
will clean up some more.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230109190321.1056914-6-armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20221221131435.3851212-4-armbru@redhat.com>
block/block-hmp-cmds.h and qemu/co-shared-resource.h use coroutine_fn
without including qemu/coroutine.h. They compile only if it's already
included from elsewhere.
I could fix that, but pulling in qemu/coroutine.h and everything it
includes just for a macro that expands into nothing feels silly.
Instead, move the macro to qemu/osdep.h.
Inclusions of qemu/coroutine.h just for coroutine_fn become
superfluous. Drop them.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20221221131435.3851212-3-armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20221221131435.3851212-2-armbru@redhat.com>
The 'hwaddr' type is defined in "exec/hwaddr.h" as:
hwaddr is the type of a physical address
(its size can be different from 'target_ulong').
All definitions use the 'HWADDR_' prefix, except TARGET_FMT_plx:
$ fgrep define include/exec/hwaddr.h
#define HWADDR_H
#define HWADDR_BITS 64
#define HWADDR_MAX UINT64_MAX
#define TARGET_FMT_plx "%016" PRIx64
^^^^^^
#define HWADDR_PRId PRId64
#define HWADDR_PRIi PRIi64
#define HWADDR_PRIo PRIo64
#define HWADDR_PRIu PRIu64
#define HWADDR_PRIx PRIx64
#define HWADDR_PRIX PRIX64
Since hwaddr's size can be *different* from target_ulong, it is
very confusing to read one of its format using the 'TARGET_FMT_'
prefix, normally used for the target_long / target_ulong types:
$ fgrep TARGET_FMT_ include/exec/cpu-defs.h
#define TARGET_FMT_lx "%08x"
#define TARGET_FMT_ld "%d"
#define TARGET_FMT_lu "%u"
#define TARGET_FMT_lx "%016" PRIx64
#define TARGET_FMT_ld "%" PRId64
#define TARGET_FMT_lu "%" PRIu64
Apparently this format was missed during commit a8170e5e97
("Rename target_phys_addr_t to hwaddr"), so complete it by
doing a bulk-rename with:
$ sed -i -e s/TARGET_FMT_plx/HWADDR_FMT_plx/g $(git grep -l TARGET_FMT_plx)
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230110212947.34557-1-philmd@linaro.org>
[thuth: Fix some warnings from checkpatch.pl along the way]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Stop overloading jmp_target_arg for both offset and address,
depending on TCG_TARGET_HAS_direct_jump. Instead, add a new
field to hold the jump insn offset and always set the target
address in jmp_target_addr[]. This will allow a tcg backend
to use either direct or indirect depending on displacement.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This can replace four other variables that are references
into the TranslationBlock structure.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This will shortly be used for more than reset.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This argument was added 9 years ago in commit 83d08f2673
("pc: map PCI address space as catchall region for not mapped
addresses") and has never been used since, so remove it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20230105173826.56748-1-philmd@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
A bunch of cleanups from various people.
- Improved GT64120 on big-endian hosts
- GT64120 north bridge and MC146818 RTC devices are now target independent
- Bonito64 north bridge converted to 3-phase reset API
- PCI refactors around PIIX devices
- Support for nanoMIPS in bootloader generator API
- New YAMON Malta Avocado test
- Removal of 'trap and emulate' KVM support
- System-specific QMP commands restricted to system emulation
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Merge tag 'mips-20230113' of https://github.com/philmd/qemu into staging
MIPS patches queue
A bunch of cleanups from various people.
- Improved GT64120 on big-endian hosts
- GT64120 north bridge and MC146818 RTC devices are now target independent
- Bonito64 north bridge converted to 3-phase reset API
- PCI refactors around PIIX devices
- Support for nanoMIPS in bootloader generator API
- New YAMON Malta Avocado test
- Removal of 'trap and emulate' KVM support
- System-specific QMP commands restricted to system emulation
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# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 13 Jan 2023 15:35:28 GMT
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE
* tag 'mips-20230113' of https://github.com/philmd/qemu: (46 commits)
scripts/git.orderfile: Display MAINTAINERS changes first
target/mips: Restrict 'qapi-commands-machine.h' to system emulation
hw/mips/boston: Rename MachineState 'mc' pointer to 'ms'
hw/pci-host/bonito: Declare TYPE_BONITO_PCI_HOST_BRIDGE in header
hw/pci-host/bonito: Use 'bonito_pci' for PCI function #0 code
hw/pci-host/bonito: Use 'bonito_host' for PCI host bridge code
hw/pci-host/bonito: Convert to 3-phase reset
softmmu/rtc: Emit warning when using driftfix=slew on systems without mc146818
hw/rtc/mc146818rtc: Make the mc146818 RTC device target independent
hw/core/qdev-properties-system: Allow the 'slew' policy only on x86
hw/intc: Extract the IRQ counting functions into a separate file
hw/intc/i8259: Make using the isa_pic singleton more type-safe
hw/usb/hcd-uhci: Introduce TYPE_ defines for device models
hw/mips/Kconfig: Track Malta's PIIX dependencies via Kconfig
hw/isa/piix4: Decouple INTx-to-LNKx routing which is board-specific
hw/isa/piix3: Decouple INTx-to-LNKx routing which is board-specific
hw/pci/pci: Factor out pci_bus_map_irqs() from pci_bus_irqs()
hw/pci/pci_host: Trace config accesses on unexisting functions
mips: Always include nanomips disassembler
mips: Remove support for trap and emulate KVM
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Declare the TYPE_BONITO_PCI_HOST_BRIDGE QOM type in a
header to be able to access it from board code.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230105130710.49264-8-philmd@linaro.org>
The only reason for this code being target dependent was the IRQ-counting
related code in rtc_policy_slew_deliver_irq(). Since these functions have
been moved into a new, separate file (kvm_irqcount.c) which is now always
compiled and linked if necessary, we can get rid of the #ifdef TARGET_I386
switches in mc146818rtc.c and declare it in the softmmu_ss instead of
specific_ss, so that the code only gets compiled once for all targets.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20230110095351.611724-4-thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These IRQ counting functions will soon be required in binaries that
do not include the APIC code, too, so let's extract them into a
separate file that can be linked independently of the APIC code.
While we're at it, change the apic_* prefix into kvm_* since the
functions are used from the i8259 PIC (i.e. not the APIC), too.
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20230110095351.611724-2-thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This even spares some casts in hot code paths along the way.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230109172347.1830-10-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
pci_bus_irqs() coupled together the assignment of pci_set_irq_fn and
pci_map_irq_fn to a PCI bus. This coupling gets in the way when the
pci_map_irq_fn is board-specific while the pci_set_irq_fn is device-
specific.
For example, both of QEMU's PIIX south bridge models have different
pci_map_irq_fn implementations which are board-specific rather than
device-specific. These implementations should therefore reside in board
code. The pci_set_irq_fn's, however, should stay in the device models
because they access memory internal to the model.
Factoring out pci_bus_map_irqs() from pci_bus_irqs() allows the
assignments to be decoupled, resolving the problem described above.
Note also how pci_vpb_realize() which gets touched in this commit
assigns different pci_map_irq_fn's depending on the board.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230109172347.1830-5-shentey@gmail.com>
[PMD: Factor out in vfu_object_set_bus_irq()]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Since the nanomips disassembler is not C++ code anymore, it need not
depend on link_language == cpp. Always include it and remove the
CONFIG_NANOMIPS_DIS symbol.
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230110084942.299460-1-pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
It is irrelevant to the API what the buffers to fill are made of.
In particular, some MIPS ISA have 16-bit wide instructions.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221211204533.85359-2-philmd@linaro.org>
NPCM7XX models have been commited after the conversion from
commit 8063396bf3 ("Use OBJECT_DECLARE_SIMPLE_TYPE when possible").
Manually convert them.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109140306.23161-11-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Following docs/devel/style.rst guidelines, rename
omap_intr_handler_s -> OMAPIntcState. This also remove a
use of 'struct' in the DECLARE_INSTANCE_CHECKER() macro call.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109140306.23161-7-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Following docs/devel/style.rst guidelines, rename omap2_gpif_s ->
Omap2GpioState. This also remove a use of 'struct' in the
DECLARE_INSTANCE_CHECKER() macro call.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109140306.23161-6-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Following docs/devel/style.rst guidelines, rename omap_gpif_s ->
Omap1GpioState. This also remove a use of 'struct' in the
DECLARE_INSTANCE_CHECKER() macro call.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109140306.23161-5-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
To avoid forward-declaring PXA2xxI2CState, declare
PXA2XX_I2C before its use in pxa2xx_i2c_init() prototype.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109140306.23161-2-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Since pxa270_init() must map the device in the system memory,
there is no point in passing get_system_memory() by argument.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109115316.2235-3-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Since pxa255_init() must map the device in the system memory,
there is no point in passing get_system_memory() by argument.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109115316.2235-2-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch enables copying of SPL from MMC if `-kernel` parameter is not
passed when starting QEMU. SPL is copied to SRAM_A.
The approach is reused from Allwinner H3 implementation.
Tested with Armbian and custom Yocto image.
Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20221226220303.14420-7-strahinja.p.jankovic@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch implements Allwinner TWI/I2C controller emulation. Only
master-mode functionality is implemented.
The SPL boot for Cubieboard expects AXP209 PMIC on TWI0/I2C0 bus, so this is
first part enabling the TWI/I2C bus operation.
Since both Allwinner A10 and H3 use the same module, it is added for
both boards.
Docs are also updated for Cubieboard and Orangepi-PC board to indicate
I2C availability.
Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20221226220303.14420-4-strahinja.p.jankovic@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
During SPL boot several DRAM Controller registers are used. Most
important registers are those related to DRAM initialization and
calibration, where SPL initiates process and waits until certain bit is
set/cleared.
This patch adds these registers, initializes reset values from user's
guide and updates state of registers as SPL expects it.
Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20221226220303.14420-3-strahinja.p.jankovic@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
During SPL boot several Clock Controller Module (CCM) registers are
read, most important are PLL and Tuning, as well as divisor registers.
This patch adds these registers and initializes reset values from user's
guide.
Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20221226220303.14420-2-strahinja.p.jankovic@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
STM32F405 has 128K of SRAM and another 64K of CCM (Core-coupled
Memory) at a different base address. Correctly describe the memory
layout to give existing FW images a chance to run unmodified.
Reviewed-by: Alistair Francis <alistair@alistair23.me>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Message-id: 20221230145733.200496-2-balbi@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Message-Id: <20221219130205.687815-3-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Replace HAVE_CHARDEV_PARPORT with a Meson conditional, remove unnecessary
defines, and close the file descriptor on FreeBSD/DragonFly.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
If we update an existing memslot (e.g., resize, split), we temporarily
remove the memslot to re-add it immediately afterwards. These updates
are not atomic, especially not for KVM VCPU threads, such that we can
get spurious faults.
Let's inhibit most KVM ioctls while performing relevant updates, such
that we can perform the update just as if it would happen atomically
without additional kernel support.
We capture the add/del changes and apply them in the notifier commit
stage instead. There, we can check for overlaps and perform the ioctl
inhibiting only if really required (-> overlap).
To keep things simple we don't perform additional checks that wouldn't
actually result in an overlap -- such as !RAM memory regions in some
cases (see kvm_set_phys_mem()).
To minimize cache-line bouncing, use a separate indicator
(in_ioctl_lock) per CPU. Also, make sure to hold the kvm_slots_lock
while performing both actions (removing+re-adding).
We have to wait until all IOCTLs were exited and block new ones from
getting executed.
This approach cannot result in a deadlock as long as the inhibitor does
not hold any locks that might hinder an IOCTL from getting finished and
exited - something fairly unusual. The inhibitor will always hold the BQL.
AFAIKs, one possible candidate would be userfaultfd. If a page cannot be
placed (e.g., during postcopy), because we're waiting for a lock, or if the
userfaultfd thread cannot process a fault, because it is waiting for a
lock, there could be a deadlock. However, the BQL is not applicable here,
because any other guest memory access while holding the BQL would already
result in a deadlock.
Nothing else in the kernel should block forever and wait for userspace
intervention.
Note: pause_all_vcpus()/resume_all_vcpus() or
start_exclusive()/end_exclusive() cannot be used, as they either drop
the BQL or require to be called without the BQL - something inhibitors
cannot handle. We need a low-level locking mechanism that is
deadlock-free even when not releasing the BQL.
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Tested-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-Id: <20221111154758.1372674-4-eesposit@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This API allows the accelerators to prevent vcpus from issuing
new ioctls while execting a critical section marked with the
accel_ioctl_inhibit_begin/end functions.
Note that all functions submitting ioctls must mark where the
ioctl is being called with accel_{cpu_}ioctl_begin/end().
This API requires the caller to always hold the BQL.
API documentation is in sysemu/accel-blocker.h
Internally, it uses a QemuLockCnt together with a per-CPU QemuLockCnt
(to minimize cache line bouncing) to keep avoid that new ioctls
run when the critical section starts, and a QemuEvent to wait
that all running ioctls finish.
Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221111154758.1372674-2-eesposit@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* Rework and improvements of the EINTR handling by Nikita
* Deprecate the -no-hpet command line option
* Disable the qtests in the 32-bit Windows CI job again
* Some other misc fixes here and there
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Merge tag 'pull-request-2023-01-09' of https://gitlab.com/thuth/qemu into staging
* s390x header clean-ups from Philippe
* Rework and improvements of the EINTR handling by Nikita
* Deprecate the -no-hpet command line option
* Disable the qtests in the 32-bit Windows CI job again
* Some other misc fixes here and there
# gpg: Signature made Mon 09 Jan 2023 14:21:19 GMT
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* tag 'pull-request-2023-01-09' of https://gitlab.com/thuth/qemu:
.gitlab-ci.d/windows: Do not run the qtests in the msys2-32bit job
error handling: Use RETRY_ON_EINTR() macro where applicable
Refactoring: refactor TFR() macro to RETRY_ON_EINTR()
docs/interop: Change the vnc-ledstate-Pseudo-encoding doc into .rst
i386: Deprecate the -no-hpet QEMU command line option
tests/qtest/bios-tables-test: Replace -no-hpet with hpet=off machine parameter
tests/readconfig: spice doesn't support unix socket on windows yet
target/s390x: Restrict sysemu/reset.h to system emulation
target/s390x/tcg/excp_helper: Restrict system headers to sysemu
target/s390x/tcg/misc_helper: Remove unused "memory.h" include
hw/s390x/pv: Restrict Protected Virtualization to sysemu
exec/memory: Expose memory_region_access_valid()
MAINTAINERS: Add MIPS-related docs and configs to the MIPS architecture section
tests/vm: Update get_default_jobs() to work on non-x86_64 non-KVM hosts
qemu-iotests/stream-under-throttle: do not shutdown QEMU
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Rename macro name to more transparent one and refactor
it to expression.
Signed-off-by: Nikita Ivanov <nivanov@cloudlinux.com>
Message-Id: <20221023090422.242617-2-nivanov@cloudlinux.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Instead of having hardware device poking into memory
internal API, expose memory_region_access_valid().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221217152454.96388-2-philmd@linaro.org>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
mostly vhost-vdpa:
guest announce feature emulation when using shadow virtqueue
support for configure interrupt
startup speed ups
an acpi change to only generate cluster node in PPTT when specified for arm
misc fixes, cleanups
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pc,pci: features, cleanups, fixes
mostly vhost-vdpa:
guest announce feature emulation when using shadow virtqueue
support for configure interrupt
startup speed ups
an acpi change to only generate cluster node in PPTT when specified for arm
misc fixes, cleanups
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 08 Jan 2023 08:01:39 GMT
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (50 commits)
vhost-scsi: fix memleak of vsc->inflight
acpi: cpuhp: fix guest-visible maximum access size to the legacy reg block
tests: acpi: aarch64: Add *.topology tables
tests: acpi: aarch64: Add topology test for aarch64
tests: acpi: Add and whitelist *.topology blobs
tests: virt: Update expected ACPI tables for virt test
hw/acpi/aml-build: Only generate cluster node in PPTT when specified
tests: virt: Allow changes to PPTT test table
virtio-pci: fix proxy->vector_irqfd leak in virtio_pci_set_guest_notifiers
vdpa: commit all host notifier MRs in a single MR transaction
vhost: configure all host notifiers in a single MR transaction
vhost: simplify vhost_dev_enable_notifiers
vdpa: harden the error path if get_iova_range failed
vdpa-dev: get iova range explicitly
docs/devel: Rules on #include in headers
include: Include headers where needed
include/hw/virtio: Break inclusion loop
include/hw/cxl: Break inclusion loop cxl_pci.h and cxl_cdat_h
include/hw/pci: Include hw/pci/pci.h where needed
include/hw/pci: Split pci_device.h off pci.h
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* Always send errors to logfile when daemonized (Greg)
* Add support for IDE CompactFlash card (Lubomir)
* First round of build system cleanups (myself)
* First round of feature removals (myself)
* Reduce "qemu/accel.h" inclusion (Philippe)
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* Atomic memslot updates for KVM (Emanuele, David)
* Always send errors to logfile when daemonized (Greg)
* Add support for IDE CompactFlash card (Lubomir)
* First round of build system cleanups (myself)
* First round of feature removals (myself)
* Reduce "qemu/accel.h" inclusion (Philippe)
# gpg: Signature made Thu 05 Jan 2023 23:51:09 GMT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (24 commits)
i386: SGX: remove deprecated member of SGXInfo
target/i386: Add SGX aex-notify and EDECCSSA support
util: remove support -chardev tty and -chardev parport
util: remove support for hex numbers with a scaling suffix
KVM: remove support for kernel-irqchip=off
docs: do not talk about past removal as happening in the future
meson: accept relative symlinks in "meson introspect --installed" data
meson: cleanup compiler detection
meson: support meson 0.64 -Doptimization=plain
configure: test all warnings
tests/qapi-schema: remove Meson workaround
meson: cleanup dummy-cpus.c rules
meson: tweak hardening options for Windows
configure: remove backwards-compatibility and obsolete options
configure: preserve qemu-ga variables
configure: cleanup $cpu tests
configure: remove dead function
configure: remove useless write_c_skeleton
ide: Add "ide-cf" driver, a CompactFlash card
ide: Add 8-bit data mode
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Currently we'll always generate a cluster node no matter user has
specified '-smp clusters=X' or not. Cluster is an optional level
and will participant the building of Linux scheduling domains and
only appears on a few platforms. It's unncessary to always build
it when it cannot reflect the real topology on platforms having no
cluster implementation and to avoid affecting the linux scheduling
domains in the VM. So only generate the cluster topology in ACPI
PPTT when the user has specified it explicitly in -smp.
Tested qemu-system-aarch64 with `-smp 8` and linux 6.1-rc1, without
this patch:
estuary:/sys/devices/system/cpu/cpu0/topology$ cat cluster_*
ff # cluster_cpus
0-7 # cluster_cpus_list
56 # cluster_id
with this patch:
estuary:/sys/devices/system/cpu/cpu0/topology$ cat cluster_*
ff # cluster_cpus
0-7 # cluster_cpus_list
36 # cluster_id, with no cluster node kernel will make it to
physical package id
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Yanan Wang <wangyanan55@huawei.com>
Tested-by: Yanan Wang <wangyanan55@huawei.com>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Message-Id: <20221229065513.55652-3-yangyicong@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
In commit a585fad26b ("vdpa: request iova_range only once") we remove
GET_IOVA_RANGE form vhost_vdpa_init, the generic vdpa device will start
without iova_range populated, so the device won't work. Let's call
GET_IOVA_RANGE ioctl explicitly.
Fixes: a585fad26b ("vdpa: request iova_range only once")
Signed-off-by: Longpeng <longpeng2@huawei.com>
Message-Id: <20221224114848.3062-2-longpeng2@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
A number of headers neglect to include everything they need. They
compile only if the headers they need are already included from
elsewhere. Fix that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221222120813.727830-3-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
hw/virtio/virtio.h and hw/virtio/vhost.h include each other. The
former doesn't actually need the latter, so drop that inclusion to
break the loop.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20221222120813.727830-2-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Edgar E. Iglesias <edgar@zeroasic.com>
hw/cxl/cxl_pci.h and hw/cxl/cxl_cdat.h include each other. The former
doesn't actually need the latter, so drop that inclusion to break the
loop.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221222100330.380143-8-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
hw/pci/pcie_sriov.h needs PCI_NUM_REGIONS. Without the previous
commit, this would close an inclusion loop: hw/pci/pci.h used to
include hw/pci/pcie.h for PCIExpressDevice, which includes
pcie_sriov.h for PCIESriovPF, which now includes hw/pci/pci.h for
PCI_NUM_REGIONS.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221222100330.380143-7-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
PCIDeviceClass and PCIDevice are defined in pci.h. Many users of the
header don't actually need them. Similar structs live in their own
headers: PCIBusClass and PCIBus in pci_bus.h, PCIBridge in
pci_bridge.h, PCIHostBridgeClass and PCIHostState in pci_host.h,
PCIExpressHost in pcie_host.h, and PCIERootPortClass, PCIEPort, and
PCIESlot in pcie_port.h.
Move PCIDeviceClass and PCIDeviceClass to new pci_device.h, along with
the code that needs them. Adjust include directives.
This also enables the next commit.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221222100330.380143-6-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Fix a few style violations so that checkpatch.pl won't complain when I
move this code.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221222100330.380143-5-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
hw/cxl/cxl_component.h needs CDATObject from hw/cxl/cxl_cdat.h.
hw/cxl/cxl_device.h needs CXLComponentState from
hw/cxl/cxl_component.h.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20221222100330.380143-4-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
hw/cxl/cxl.h uses the PXBDev structure tag instead of the typedef
name. The typedef name is defined in hw/pci/pci_bridge.h. Its
inclusion was dropped in the previous commit to break an inclusion
loop.
Move the typedef to hw/cxl/cxl.h, and use it there. Delete an extra
typedef in hw/pci-bridge/pci_expander_bridge.c.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221222100330.380143-3-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
hw/pci/pci_bridge.h and hw/cxl/cxl.h include each other.
Fortunately, breaking the loop is merely a matter of deleting
unnecessary includes from headers, and adding them back in places
where they are now missing.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221222100330.380143-2-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add process to handle the configure interrupt, The function's
logic is the same with vq interrupt.Add extra process to check
the configure interrupt
Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20221222070451.936503-11-lulu@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add functions to support configure interrupt in virtio_net
Add the functions to support vhost_net_config_pending
and vhost_net_config_mask.
Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20221222070451.936503-9-lulu@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add functions to support configure interrupt.
The configure interrupt process will start in vhost_dev_start
and stop in vhost_dev_stop.
Also add the functions to support vhost_config_pending and
vhost_config_mask.
Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20221222070451.936503-8-lulu@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add the functions to support the configure interrupt in virtio
The function virtio_config_guest_notifier_read will notify the
guest if there is an configure interrupt.
The function virtio_config_set_guest_notifier_fd_handler is
to set the fd hander for the notifier
Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20221222070451.936503-7-lulu@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This patch introduces new VhostOps vhost_set_config_call.
This function allows the qemu to set the config
event fd to kernel driver.
Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20221222070451.936503-5-lulu@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
To support configure interrupt for vhost-vdpa
Introduce VIRTIO_CONFIG_IRQ_IDX -1 as configure interrupt's queue index,
Then we can reuse the functions guest_notifier_mask and guest_notifier_pending.
Add the check of queue index in these drivers, if the driver does not support
configure interrupt, the function will just return
Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20221222070451.936503-2-lulu@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This patch aims to fix unexpected negotiation features for
vhost-user netdev interface.
When openvswitch reconnect Qemu after an unexpected disconnection
and Qemu therefore start the vhost_dev, acked_features field in
vhost_dev is initialized with value fetched from acked_features
field in NetVhostUserState, which should be up-to-date at that
moment but Qemu could not make it actually during the time window
of virtio features negotiation.
So we save the acked_features right after being configured by
guest virtio driver so it can be used to restore acked_features
field in vhost_dev correctly.
Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Signed-off-by: Guoyi Tu <tugy@chinatelecom.cn>
Signed-off-by: Liuxiangdong <liuxiangdong5@huawei.com>
Message-Id: <b9f8cf5561a79ea65ea38960e5a5e6d3707eef0a.1671627406.git.huangy81@chinatelecom.cn>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Abstract vhost acked features saving into
vhost_user_save_acked_features, export it as util function.
Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Signed-off-by: Guoyi Tu <tugy@chinatelecom.cn>
Message-Id: <50dc9b09b0635e3052551efcc1046c2a85332fcb.1671627406.git.huangy81@chinatelecom.cn>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'pull-loongarch-20230106' of https://gitlab.com/gaosong/qemu into staging
pull-loongarch-20230106
# gpg: Signature made Fri 06 Jan 2023 06:21:22 GMT
# gpg: using RSA key B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF
# gpg: Good signature from "Song Gao <m17746591750@163.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: B8FF 1DA0 D2FD CB2D A09C 6C2C 40A2 FFF2 3926 3EDF
* tag 'pull-loongarch-20230106' of https://gitlab.com/gaosong/qemu:
hw/intc/loongarch_pch: Change default irq number of pch irq controller
hw/intc/loongarch_pch_pic: add irq number property
hw/intc/loongarch_pch_msi: add irq number property
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* Fix PMP propagation for tlb
* Collection of bug fixes
* Bump the OpenTitan supported version
* Add smstateen support
* Support native debug icount trigger
* Remove the redundant ipi-id property in the virt machine
* Support cache-related PMU events in virtual mode
* Add some missing PolarFire SoC io regions
* Fix mret exception cause when no pmp rule is configured
* Fix bug where disabling compressed instructions would crash QEMU
* Add Zawrs ISA extension support
* A range of code refactoring and cleanups
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Merge tag 'pull-riscv-to-apply-20230106' of https://github.com/alistair23/qemu into staging
First RISC-V PR for QEMU 8.0
* Fix PMP propagation for tlb
* Collection of bug fixes
* Bump the OpenTitan supported version
* Add smstateen support
* Support native debug icount trigger
* Remove the redundant ipi-id property in the virt machine
* Support cache-related PMU events in virtual mode
* Add some missing PolarFire SoC io regions
* Fix mret exception cause when no pmp rule is configured
* Fix bug where disabling compressed instructions would crash QEMU
* Add Zawrs ISA extension support
* A range of code refactoring and cleanups
# gpg: Signature made Fri 06 Jan 2023 00:47:23 GMT
# gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054
* tag 'pull-riscv-to-apply-20230106' of https://github.com/alistair23/qemu: (43 commits)
hw/intc: sifive_plic: Fix the pending register range check
hw/riscv: opentitan: Drop "hartid-base" and "priority-base" initialization
hw/intc: sifive_plic: Change "priority-base" to start from interrupt source 0
hw/riscv: virt: Fix the value of "riscv, ndev" in the dtb
hw/riscv: sifive_u: Avoid using magic number for "riscv, ndev"
hw/riscv: sifive_e: Fix the number of interrupt sources of PLIC
hw/riscv: microchip_pfsoc: Fix the number of interrupt sources of PLIC
hw/intc: sifive_plic: Update "num-sources" property default value
hw/intc: sifive_plic: Use error_setg() to propagate the error up via errp in sifive_plic_realize()
hw/intc: sifive_plic: Improve robustness of the PLIC config parser
hw/intc: sifive_plic: Drop PLICMode_H
hw/riscv: spike: Remove misleading comments
hw/riscv: Sort machines Kconfig options in alphabetical order
hw/riscv: Fix opentitan dependency to SIFIVE_PLIC
hw/intc: Select MSI_NONBROKEN in RISC-V AIA interrupt controllers
hw/riscv: Select MSI_NONBROKEN in SIFIVE_PLIC
RISC-V: Add Zawrs ISA extension support
target/riscv: Clear mstatus.MPRV when leaving M-mode for priv spec 1.12+
target/riscv: Simplify helper_sret() a little bit
target/riscv: Set pc_succ_insn for !rvc illegal insn
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add tcg backend paired register allocation.
Cleanup tcg backend function call abi.
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Merge tag 'pull-tcg-20230105' of https://gitlab.com/rth7680/qemu into staging
Fix race conditions in new user-only vma tracking.
Add tcg backend paired register allocation.
Cleanup tcg backend function call abi.
# gpg: Signature made Fri 06 Jan 2023 03:12:17 GMT
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F
* tag 'pull-tcg-20230105' of https://gitlab.com/rth7680/qemu: (47 commits)
tests/tcg/multiarch: add vma-pthread.c
accel/tcg: Handle false negative lookup in page_check_range
accel/tcg: Use g_free_rcu for user-exec interval trees
accel/tcg: Fix tb_invalidate_phys_page_unwind
tcg: Add TCGHelperInfo argument to tcg_out_call
tcg/aarch64: Merge tcg_out_callr into tcg_out_call
tcg: Move ffi_cif pointer into TCGHelperInfo
tcg: Factor init_ffi_layouts() out of tcg_context_init()
tcg: Convert typecode_to_ffi from array to function
tcg: Reorg function calls
tcg: Use output_pref wrapper function
tcg: Vary the allocation size for TCGOp
tcg: Pass number of arguments to tcg_emit_op() / tcg_op_insert_*()
accel/tcg/plugin: Use copy_op in append_{udata,mem}_cb
accel/tcg/plugin: Avoid duplicate copy in copy_call
accel/tcg/plugin: Don't search for the function pointer index
tcg: Use TCG_CALL_ARG_EVEN for TCI special case
tcg: Replace TCG_TARGET_EXTEND_ARGS with TCG_TARGET_CALL_ARG_I32
tcg: Replace TCG_TARGET_CALL_ALIGN_ARGS with TCG_TARGET_CALL_ARG_I64
tcg: Introduce TCGCallReturnKind and TCGCallArgumentKind
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Change the default irq number of pch pic to 32, so that the irq
number of pch msi is 224(256 - 32), and move the 'PCH_PIC_IRQ_NUM'
macro to pci-host/ls7a.h and add prefix 'VIRT' on it to keep standard
format.
Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230104020518.2564263-4-zhaotianrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
With loongarch 7A1000 manual, irq number supported can be set
in PCH_PIC_INT_ID_HI register. This patch adds irq number property
for loongarch_pch_pic, so that virt machine can set different
irq number when pch_pic intc is added.
Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230104020518.2564263-3-zhaotianrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
This patch adds irq number property for loongarch msi interrupt
controller, and remove hard coding irq number macro.
Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230104020518.2564263-2-zhaotianrui@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
At present the SiFive PLIC model "priority-base" expects interrupt
priority register base starting from source 1 instead source 0,
that's why on most platforms "priority-base" is set to 0x04 except
'opentitan' machine. 'opentitan' should have set "priority-base"
to 0x04 too.
Note the irq number calculation in sifive_plic_{read,write} is
correct as the codes make up for the irq number by adding 1.
Let's simply update "priority-base" to start from interrupt source
0 and add a comment to make it crystal clear.
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Message-Id: <20221211030829.802437-14-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Commit 28d8c28120 ("hw/riscv: virt: Add optional AIA IMSIC support to virt machine")
changed the value of VIRT_IRQCHIP_NUM_SOURCES from 127 to 53, which
is VIRTIO_NDEV and also used as the value of "riscv,ndev" property
in the dtb. Unfortunately this is wrong as VIRT_IRQCHIP_NUM_SOURCES
should include interrupt source 0 but "riscv,ndev" does not.
While we are here, we also fix the comments of platform bus irq range
which is now "64 to 96", but should be "64 to 95", introduced since
commit 1832b7cb3f ("hw/riscv: virt: Create a platform bus").
Fixes: 28d8c28120 ("hw/riscv: virt: Add optional AIA IMSIC support to virt machine")
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221211030829.802437-13-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Per chapter 6.5.2 in [1], the number of interupt sources including
interrupt source 0 should be 187.
[1] PolarFire SoC MSS TRM:
https://ww1.microchip.com/downloads/aemDocuments/documents/FPGA/ProductDocuments/ReferenceManuals/PolarFire_SoC_FPGA_MSS_Technical_Reference_Manual_VC.pdf
Fixes: 56f6e31e7b ("hw/riscv: Initial support for Microchip PolarFire SoC Icicle Kit board")
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Message-Id: <20221211030829.802437-10-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
H-mode has been removed since priv spec 1.10. Drop it.
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221211030829.802437-6-bmeng@tinylab.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The system controller on PolarFire SoC is access via a mailbox. The
control registers for this mailbox lie in the "IOSCB" region & the
interrupt is cleared via write to the "SYSREG" region. It also has a
QSPI controller, usually connected to a flash chip, that is used for
storing FPGA bitstreams and used for In-Application Programming (IAP).
Linux has an implementation of the system controller, through which the
hwrng is accessed, leading to load/store access faults.
Add the QSPI as unimplemented and a very basic (effectively
unimplemented) version of the system controller's mailbox. Rather than
purely marking the regions as unimplemented, service the mailbox
requests by reporting failures and raising the interrupt so a guest can
better handle the lack of support.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221117225518.4102575-4-conor@kernel.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The Fabric Interconnect Controllers provide interfaces between the FPGA
fabric and the core complex. There are 5 FICs on PolarFire SoC, numbered
0 through 4. FIC2 is an AXI4 slave interface from the FPGA fabric and
does not show up on the MSS memory map. FIC4 is dedicated to the User
Crypto Processor and does not show up on the MSS memory map either.
FIC 0, 1 & 3 do show up in the MSS memory map and neither FICs 0 or 1
are represented in QEMU, leading to load access violations while booting
Linux for Icicle if PCIe is enabled as the root port is connected via
either FIC 0 or 1.
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Message-Id: <20221117225518.4102575-3-conor@kernel.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
On PolarFire SoC, some peripherals (eg the PCI root port) are clocked by
"Clock Conditioning Circuitry" in the FPGA. The specific clock depends
on the FPGA bitstream & can be locked to one particular {D,P}LL - in the
Icicle Kit Reference Design v2022.09 or later this is/will be the case.
Linux v6.1+ will have a driver for this peripheral and devicetrees that
previously relied on "fixed-frequency" clock nodes have been switched
over to clock-controller nodes. The IOSCB region is represented in QEMU,
but the specific region of it that the CCCs occupy has not so v6.1-rcN
kernels fail to boot in QEMU.
Add the regions as unimplemented so that the status-quo in terms of boot
is maintained.
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Message-Id: <20221117225518.4102575-2-conor@kernel.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The imsic DT binding[1] has changed and no longer require an ipi-id.
The latest IMSIC driver dynamically allocates ipi id if slow-ipi
is not defined.
Get rid of the unused dt property which may lead to confusion.
[1] https://lore.kernel.org/lkml/20221111044207.1478350-5-apatel@ventanamicro.com/
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221122080529.1692533-1-atishp@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Adds the updated `aon_timer` base as an unimplemented device. This is
used by TockOS, patch ensures the guest doesn't hit load faults.
Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221025043335.339815-3-wilfred.mallawa@opensource.wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This patch updates the OpenTitan model to match
the specified register layout as per [1]. Which is also the latest
commit of OpenTitan supported by TockOS.
Note: Pinmux and Padctrl has been merged into Pinmux [2][3], this patch removes
any references to Padctrl. Note: OpenTitan doc [2] has not yet specified
much detail regarding this, except for a note that states `TODO: this
section needs to be updated to reflect the pinmux/padctrl merger`
[1] d072ac505f/hw/top_earlgrey/sw/autogen/top_earlgrey_memory.h
[2] https://docs.opentitan.org/hw/top_earlgrey/doc/design/
[3] https://docs.opentitan.org/hw/ip/pinmux/doc/#overview
Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20221025043335.339815-2-wilfred.mallawa@opensource.wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
-machine kernel-irqchip=off is broken for many guest OSes; kernel-irqchip=split
is the replacement that works, so remove the deprecated support for the former.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
CompactFlash uses features 0x01 and 0x81 to enable/disable 8-bit data
path. Implement them.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Message-Id: <20221130120238.706717-1-lkundrak@v3.sk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move "qemu/accel.h" include from the heavily included
"hw/boards.h" to hw/core/machine.c, the single file using
the AccelState definition.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Message-Id: <20221130135641.85328-3-philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Forward-declare AccelState in "qemu/typedefs.h" so structures
using a reference of it (like MachineState in "hw/boards.h")
don't have to include "qemu/accel.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Message-Id: <20221130135641.85328-2-philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Pre-compute the function call layout for each helper at startup.
Drop TCG_CALL_DUMMY_ARG, as we no longer need to leave gaps
in the op->args[] array. This allows several places to stop
checking for NULL TCGTemp, to which TCG_CALL_DUMMY_ARG mapped.
For tcg_gen_callN, loop over the arguments once. Allocate the TCGOp
for the call early but delay emitting it, collecting arguments first.
This allows the argument processing loop to emit code for extensions
and have them sequenced before the call.
For tcg_reg_alloc_call, loop over the arguments in reverse order,
which allows stack slots to be filled first naturally.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We will shortly have the possibility of more that two outputs,
though only for calls (for which preferences are moot). Avoid
direct references to op->output_pref[] when possible.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We have been allocating a worst case number of arguments
to support calls. Instead, allow the size to vary.
By default leave space for 4 args, to maximize reuse,
but allow calls to increase the number of args to 32.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
[PMD: Split patch in two]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221218211832.73312-3-philmd@linaro.org>
In order to have variable size allocated TCGOp, pass the number
of arguments we use (and would allocate) up to tcg_op_alloc().
This alters tcg_emit_op(), tcg_op_insert_before() and
tcg_op_insert_after() prototypes.
In tcg_op_alloc() ensure the number of arguments is in range.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
[PMD: Extracted from bigger patch]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221218211832.73312-2-philmd@linaro.org>
Add a helper function for computing the size of a type.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The count is not itself an enumerator. Move it outside to
prevent the compiler from considering it with -Wswitch-enum.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Record the location of a TCGTemp within a larger object.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Move the error-generating fallback from tcg-op.c, and
replace "_link_error" with modern QEMU_ERROR markup.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
There are several instances where we need to be able to
allocate a pair of registers to related inputs/outputs.
Add 'p' and 'm' register constraints for this, in order to
be able to allocate the even/odd register first or second.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
IRQs were not associated to the various GPIO devices inside i.MX7D.
This patch brings the i.MX7D on par with i.MX6.
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Message-id: 20221226101418.415170-1-jcd@tribudubois.net
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The i.MX6UL doesn't support CLK_HIGH ou CLK_HIGH_DIV clock source.
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
So far the GPT timers were unable to raise IRQs to the processor.
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This function is not used anywhere outside this file,
so we can make the function "static void".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20221216214924.4711-2-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The pointed MouseTransformInfo structure is accessed read-only.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221220142520.24094-2-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The CNT register is a read-only register. There is no need to
store it's value, it can be calculated on demand.
The calculated frequency is needed temporarily only.
Note that this is a migration compatibility break for all boards
types that use the EPIT peripheral.
Signed-off-by: Axel Heider <axel.heider@hensoldt.net>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Create a wrapper for locking/unlocking the iothread lock.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Windows does not have <sys/xattr.h>.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Message-Id: <20221219102022.2167736-2-bin.meng@windriver.com>
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
